If Galaxy a Is Found to Have a Recessional Velocity

question 124

Multiple Choice

If Galaxy A is found to have a recessional velocity four times greater than Galaxy B, what can you say about their relative distances from Earth

• A)Galaxy A is four times closer than Galaxy B.
• B)Galaxy A is four times further away than Galaxy B.
• C)Galaxy A is twice as distant than Galaxy B.
• D)Galaxy A is twice as close than Galaxy B.

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Definitions:

Crickets

Insects of the order Orthoptera, known for the chirping sound males make by rubbing their wings together, often associated with summer nights.

Ultrasonic Bat Calls

High-frequency sound waves emitted by bats for navigation and locating prey, inaudible to most other species.

Intensity Threshold

The minimum level of stimulus intensity required to trigger a detectable response or reaction.

Sound Frequency

The number of sound vibrations or cycles per second, usually measured in Hertz (Hz), determining the pitch of the sound.